Plays nicely with
your whole stack.

FilterX automatically detects your installed plugins and activates the correct integrations immediately. Zero complex configuration required.

WooCommerce

Deep Integration

Filter every product dimension instantly.

FilterX auto-detects WooCommerce and registers all product-specific facet sources. Catalog visibility, out-of-stock variations, and sorting are respected automatically.

Filter by price range with formatted currency prefix
Stock status toggle (In Stock / Backorder)
Product attribute swatches (Color, Size)
On-Sale and Featured product endpoints

source: "wc:attribute:color"
type: "color"
config: {
  color_map: { "Red": "#ef4444" },
  swatch_size: 32
}

Advanced Custom Fields

Schema Discovery

Any ACF field. Any facet type.

Map any ACF field — including nested repeater sub-fields — as the source for any facet type. FilterX automatically discovers your schema via the ACF core endpoints.

Text, Number, Date, Checkbox, Radio, Select
Repeater sub-fields using dot notation (specs.color)
Relationship and Post Object fields
Visual mapping in the Admin Panel

source:     "acf:field"
source_key: "specs.material"
type:       "checkbox"
post_type:  "product"

The WordPress Ecosystem

Natively hooked into the tools powering the modern web.

Elementor

Two native widgets (Grid & Facets) registered in the panel. Build completely custom visual layouts.

Gutenberg

First-class React blocks providing live server-side rendering previews inside the Block Editor.

WPML & Polylang

Automatic language scoping. The REST API respects active language parameters out of the box.

⚡

Caching Plugins

Native hook-ins for WP Rocket, LiteSpeed, and W3TC to purge fragments when the index syncs.

Extensible at its core.

FilterX exposes 31 REST API endpoints and over 100 PHP filter hooks, giving your engineering team unlimited control over indexing and querying.

Read API Docs Purchase License

Plays nicely with your whole stack.